Hottest 8 concerts

This Boston quintet welcomes two new members on its recent release “Still Crooked,” which finds the Nickel Creek-like Boston folk favorites unearthing little-known traditionals and bluegrass-tinged originals. 704-376-3737.

2. Public Radio

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Led by local singer-songwriter Mark Mathis, this Charlotte outfit has really come into its own of late with new material that features electronic-rock hooks (think Postal Service) and winking lyrical nods to R.E.M., U2, Coldplay and Guns N' Roses. 704-343-9494.

3. Purgatory

8:30 p.m. Saturday, Amos' ($15)

“Your Prescription for Pain” is the theme for the long-running fetish party's latest installment. So don your sexiest scrubs or naughty nurse costume for a wicked night of industrial dance music, fetish performances and more. www.singlecell.us.

4. Extreme

7 p.m. Tuesday, Amos' ($20-$23)

Best-known for early-'90s pop crossovers “More Than Words” and “Hole Hearted,” the hard-rock outfit featuring singer Gary Cherone and guitarist Nuno Bettencourt returns after a 13-year absence with a new disc, “Sausades de Rock.” 704-377-6874.

5. Lefty Williams

9 p.m. Saturday, Smokey Joe's (free)

This Atlanta guitarist didn't let being born without a right hand hinder his musical aspirations. He invented his first prosthetic pick at age 6. Today, his playing varies from Clapton-style electric blues-rock to the more pop-oriented sound of Counting Crows. 704-338-9380.

6. Mic Harrison

10:30 p.m. Saturday, ($9-$11)

A former member of '90s alt-country rockers the V-Roys and power-pop act Superdrag, this Tennessean spills working-class sweat into rollicking country-rock songs on his new disc “On the Right Side of the Grass.” 704-376-3737.

7. Leah Randazzo

8 tonight, ($10)

Though she's only in her early 20s, this Massachusetts jazz songstress packs maturity and soul into her laid-back jazz and R&B ballads, whether leading a loose orchestral band or an intimate piano performance. 704-376-1446.

8. Tantric

8 p.m. Sunday, ($18 to $20)

The former Days of the New members – who debuted with their own post-grunge project in 2001 – have another mainstream rock hit on their hands with 2008's symphonic Top 10 single “Down and Out.” 704-358-9200.